%0 Journal Article %A A. N. Zarubin %T An analogue of the Tricomi problem for an equation of mixed type with retarded argument %J Differencialʹnye uravneniâ %D 1996 %P 350-356 %V 32 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1996_32_3_a10/ %G ru %F DE_1996_32_3_a10